VIAIR 28021 - Mounting and Wiring Procedures; Installation Parts Identification

MOUNTING AND WIRING
1. Disconnectgroundcablefromvehicle’sbattery.
2. Temporarily position the air compressor in the location where it will be mounted.
3. Routegroundwiretothenegativepostofthebatteryortoanappropriategroundingpointand
cut ground wire to length as needed.
4. Mountaircompressorwiththefoursetsof13/64”(5mm)bolts,nuts,washers,andlocking
 washersprovided.(SeeFig.2forMountingInstructions)Useofthreadsealantisrecommended.
5. NOTE:ForRemoteInletAirFilterInstallation,refertoRemoteInletAirFilterInstallation
 InstructionincludedintheRemoteInletAirFilterPackforinstallationofRemoteInletAirFilter.
6. Thisaircompressorcomeswith1.5ft.heavydutyheatresistantleaderhosewith_”ttings.
 Thisleaderhoseisdesignedtoprolongthelifeofyourairline.Donotremovethisleaderhose
from air compressor.
7. IMPORTANT:Pleasenote,theleaderhosethatcomeswithyourcompressormayhaveabuilt-in
 inlinecheckValve.DONOTremoveinlinecheckvalvefromleaderhose.
8. Selectproperlocationtomountleaderhosewithhosebracketprovided.Avoidlocationswhere
leader hose may become tangled with wires and other hoses.
9. Tomounthosebracket,drillholewith3/16”drillbitandpushself–anchoringhosebracketpin
 intohole.Routeleaderhosethroughhosebracketandsecurehosebypressingbracketclamp
into locked position.
10.Toremovehosefromthehosebracket,simplypressdownonthehoseclampreleasetabto
release bracket clamp. (Fig. 3)
11.Connectcompressorpositiveleadwiretooneoftheleadsofyourpressureswitch.
12.Makesurethatyourcompressorsetupisproperlyfused.Forappropriatefusesize,referto
 ampdrawofcompressorintheSpecicationssectionofthismanual.
13.Alwayslocatefuseascloseaspossibletopowersource.
14. Before connecting to power source, re-check to make sure that all connections are
properly connected.
15.Connectandtestcompressorsystembyrunningthecompressorforashorttimetobuildup
pressure in your air tank.
16. Once air pressure reaches preset cut out pressure of your pressure switch, the compressor
will shut off. Inspect all air line connections for leaks with soap and water solution.
 Ifaleakisdetected,theairlinemaynotbecutsquarelyorpushedallthewayin.
Tighten connections if needed.
(Fig. 1) Standard 280C Air Compressor Kit Installation Parts List:
A.HoseBracket(1pc)
B.MountingBolts(4pcs)
C.FlatWashers(8pcs)
D.LockingWashers(4pcs)
E.Nuts(4pcs)
F.1/4”NPTFx3/8”BarbedFitting(1pc)
G.1/4”NPTMx3/8”BarbedFitting(1pc)
H.3/8”AirLine(1pc)
I.AirLineClips(3pcs)
J. Screws (3pcs)
K.RemoteInletAirFilterwithFilterElement(1pc)
(Fig. 2) Compressor
Mounting Hardware
B.MountingBolt
C.FlatWasher
D.LockingWasher
E.Nut
K. Vibration Isolator
280C Air Compressor Kit
USER MANUAL
A
B C D E
F
G
I
J
K
(Fig. 3) Leader Hose Bracket
L.HoseClamp
M.ClampReleaseTab
N.SelfAnchoringPin
B
C
C
D
E
K
L
M
N
H